Bloodstock billionaire John Magnier was “slightly hostile” and “dug in” to his €15 million offer during negotiations to buy the Barne Estate, according to the property’s ancestral owner Richard Thomson-Moore. In his evidence before the High Court, Thomson-Moore, who has managed the 751-acre Co Tipperary estate since 2012, said it was his opinion that the property was a “unique” offering worth “well in excess of eighteen to twenty million”. The estate has been in his family for around 300 years, had never been on the market before it was listed in 2023, and came with a large tillage farm, he…